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Contract OI history

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Dec 18, 2026 EXPIRATION

UNH $370.00 Put

UNH261218P00370000

Latest saved OI1,851Oct 23, 2026
Last change+16vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $370.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,8519250 2026-10-02: 1,248 OI2026-10-05: 1,191 OI2026-10-06: 1,228 OI2026-10-07: 1,274 OI2026-10-08: 1,274 OI2026-10-09: 1,317 OI2026-10-14: 1,441 OI2026-10-15: 1,618 OI2026-10-16: 1,667 OI2026-10-21: 1,835 OI2026-10-23: 1,851 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

UNH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,851+16
Oct 21, 20261,835+168
Oct 16, 20261,667+49
Oct 15, 20261,618+177
Oct 14, 20261,441+124
Oct 09, 20261,317+43
Oct 08, 20261,2740
Oct 07, 20261,274+46
Oct 06, 20261,228+37
Oct 05, 20261,191-57
Oct 02, 20261,248No prior observation